Merge branch 'db-maria' into 'master'

Change DB to mariadb engine of melodic

See merge request melodic/morphemic-preprocessor!9

src/main/resources/META-INF/persistence.xml

@@ -21,9 +21,9 @@
         <class>org.activeeon.morphemic.model.Hardware</class>
 
         <properties>
-            <property name="javax.persistence.jdbc.driver" value="org.hsqldb.jdbcDriver"/>
-            <property name="javax.persistence.jdbc.url" value="jdbc:hsqldb:file:./data/standalone;shutdown=true"/>
-            <property name="javax.persistence.jdbc.user" value="root"/>
+            <property name="javax.persistence.jdbc.driver" value="org.mariadb.jdbc.Driver"/>
+            <property name="javax.persistence.jdbc.url" value="jdbc:mariadb://melodic-store:3306/proactive" />
+            <property name="javax.persistence.jdbc.user" value=""/>
             <property name="javax.persistence.jdbc.password" value=""/>
             <property name="hibernate.dialect" value="org.hibernate.dialect.HSQLDialect"/>
             <property name="hibernate.hbm2ddl.auto" value="update"/>